1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.util.format;
24  
25  import com.liferay.portal.kernel.util.StringUtil;
26  
27  /**
28   * <a href="USAPhoneNumberFormat.java.html"><b><i>View Source</i></b></a>
29   *
30   * @author Brian Wing Shun Chan
31   */
32  public class USAPhoneNumberFormat implements PhoneNumberFormat {
33  
34      public String format(String phoneNumber) {
35          if (phoneNumber == null) {
36              return "";
37          }
38  
39          if (phoneNumber.length() > 10) {
40              return "(" + phoneNumber.substring(0,3) + ") " +
41                      phoneNumber.substring(3,6) + "-" +
42                      phoneNumber.substring(6,10) +
43                      " x" + phoneNumber.substring(10, phoneNumber.length());
44          }
45          else if (phoneNumber.length() == 10) {
46              return "(" + phoneNumber.substring(0,3) + ") " +
47                      phoneNumber.substring(3,6) + "-" +
48                      phoneNumber.substring(6,10);
49          }
50          else if (phoneNumber.length() == 7) {
51              return phoneNumber.substring(0,3) + "-" +
52                     phoneNumber.substring(3,7);
53          }
54          else {
55              return phoneNumber;
56          }
57      }
58  
59      public String strip(String phoneNumber) {
60          return StringUtil.extractDigits(phoneNumber);
61      }
62  
63  }